Plate Tectonics
Earthquakes
Tsunami
Ocean Floor
Diagrams
100
the name of the supercontinent based on Alfred Wegener's continental drift theory
What is Pangea?
100
See Diagram
What is a left lateral strike slip fault?
100
two causes of tsunami
What are (earthquakes, landslides, volcanic eruptions, & large meteorite impacts)?
100
the study of the depths of a body of water
What is Bathymetry?
200
these move in different directions and at different speeds (2 to 10 cm per year)
What are tectonic plates?
200
the origin of an earthquake on the surface
What is the epicentre?
200
large wavelengths, high speeds, and high amplitude near coastlines (True or False?)
What is True?
200
the bottom of the ocean (floor)
What is the abyssal plain?
200
See Diagram (Yellow)
What is a trench?
300
the name of three natural hazards that occur very frequently at plate boundaries
What are earthquakes, tsunami, & volcanoes?
300
the type of wave that travels faster (body or surface waves)
What is a body wave? (underground)
300
a reason for wave amplification near the coast
What is shoaling (slowing down), focusing (uneven ocean floor), & resonance (reflection off shore)
300
how submarine canyons formed
What are rivers when sea levels were a lot lower?
300
See Diagram (Blue)
What are seamounts?
400
plates that move along side one another (type of boundary)
What is a Transform Boundary?
400
the number of seismometres needed to determine the epicentre of an earthquake
What are 3?
400
the intensity scale used to measure tsunami
What is the Papadapoulous Imamura Scale?
400
the name of the divergent plate boundary in the middle of the Atlantic Ocean
What is the Mid-Atlantic Ridge?
400
See Diagram (Blue)
What is the continental slope?
500
plates that move together (type of boundary)
What are convergent boundaries? (or subduction zones)
500
the scale used to determine the magnitude of an earthquake
What is the Moment Magnitude Scale?
500
things we can do to help reduce the impact of a tsunami
What are monitor oceans, analyze past events, create numerical models, defenses (breakwaters), fortify buildings, evacuation planning?
500
Atolls originally start out as these
What are volcanoes?
500
See Diagram (red)
What is the continental rise?
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